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SmartestHome/docs/components.md

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Components

##Servers 2 X64 hosts 1x tiny with 1x zigbee adapter 1x PC with 1x GPU (rtx 3060 or better)

##Endpoints

#Living Room

1xMedia Station/TVPC (doesn't technically need to be in the same room) -> 1xThinClient (tiny is sufficient) 1xVoice Reciever - Round screen thingy 1xSound System (already have it, see #Have) 1xRuView Presence Node (ESP32-S3 CSI board)

#Loggia

1xMiniscreen System (Lenovo all-in-one PC, large built-in touchscreen — already own it, free, see #Have) 1xSound System 1xVoice Reciever - Round screen thingy 1xRuView Presence Node (ESP32-S3 CSI board)

#Linus Room

1xVoice Reciever - Round screen thingy 1xSound System 1xRuView Presence Node (ESP32-S3 CSI board) ???

#Amirs Room

1xBeamer 1xThinClient (tiny is sufficient) 1xHA Voice PE 1xSound System 1xRuView Presence Node (ESP32-S3 CSI board)

#Kitchen

1xTiny PC with Mini Touchscreen 1xCamera 1xVoice Reciever - Round screen thingy 1xSound System 1xRuView Presence Node (ESP32-S3 CSI board)

#Workshop / Office

The room the workshop assistant runs in (workshop/, docs/workshop-assistant.md). Structurally the kitchen display again — a Sway kiosk, a screen, a camera — with two differences that matter for buying: the screen wants to be BIG (schematics, board plans and a camera grid at the same time), and the camera is a MACRO problem, not a wide-angle one.

1xTiny PC (have — "near infinite Tiny Pcs") 1xLarge monitor or TV, wall-mounted above the bench 1xUSB inspection/macro camera -> reading a service tag or PCB silkscreen at 10-20cm 1xVoice Reciever - Round screen thingy 1xRuView Presence Node (ESP32-S3 CSI board)

#Network cameras

Distinct from every USB camera in this project, which are all fixed-purpose at angles useless for anything else (an item held to the kitchen lens; an appliance door). These are the ones on the network, ingested by the Frigate/go2rtc this stack already runs, and they are what the workshop display can actually show.

2-4xPoE or WiFi camera (RTSP/ONVIF) -> count depends on which rooms; see #Open items

#Appliance monitoring (fridges + freezers)

The household runs more than one cold appliance — the main fridge's freezer compartment is too small, so there is at least a second freezer elsewhere. That is what makes "which one is it in?" a real question; see fridge-item-location.md for why the answer is door sensors plus an outward-facing camera, and why nothing goes inside the appliance.

Per appliance (assume 3 to start — kitchen fridge, kitchen freezer compartment, second freezer): 1xZigbee door contact sensor (mounted on the OUTSIDE face of the door, never inside) 1xDoorway camera (looking at the door opening from outside, ~1.8-2m up)

The appliances themselves are already owned and are not bought by this project. The room the second freezer lives in is not decided yet — see #Open items.

##Lighting

~16x RGB smart bulb (exact count/room split TBD — see #Open items). Zigbee, not WiFi, to match this project's existing local-first Zigbee2MQTT backbone (already have the coordinator dongle) rather than adding a second, cloud-dependent lighting ecosystem. See #Need for the specific pick and why.

##Summed totals

#Servers 2x X64 host 1x Zigbee adapter 1x GPU (rtx 3060 or better)

#Endpoints (all rooms combined) 2x ThinClient (tiny) 1x Miniscreen System (Lenovo all-in-one, built-in touchscreen — already owned) 1x Beamer 5x Voice Reciever - round screen thingy (Living Room, Loggia, Linus Room, Kitchen, Workshop) 1x HA Voice PE 5x Sound System (all confirmed: Living Room, Loggia, Linus Room, Amirs Room, Kitchen) 1x Tiny PC with Mini Touchscreen (Kitchen) 1x Camera (Kitchen) 2x Spare webcam (destination TBD) 6x RuView Presence Node (ESP32-S3 CSI board — one per room: Living Room, Loggia, Linus Room, Amirs Room, Kitchen, Workshop) 3x Zigbee door contact sensor (one per cold appliance door — count depends on the final appliance list) 2x Doorway camera (network/RTSP, one per appliance that isn't already covered by a camera pointing the right way) 1x Tiny PC + 1x large monitor/TV + 1x USB inspection/macro camera (Workshop/Office) 2-4x Network camera (RTSP/ONVIF — rooms TBD, see #Open items)

#Lighting ~16x RGB smart bulb (Zigbee) — count/room split not finalized

#By room Living Room: 1x ThinClient, 1x Voice Reciever, 1x Sound System (have), 1x RuView node Loggia: 1x Miniscreen System (have), 1x Sound System, 1x Voice Reciever, 1x RuView node Linus Room: 1x Voice Reciever, 1x Sound System, 1x RuView node, +1 unresolved (???) Amirs Room: 1x Beamer, 1x ThinClient, 1x HA Voice PE, 1x Sound System, 1x RuView node Kitchen: 1x Tiny PC w/ Touchscreen, 1x Camera, 1x Voice Reciever, 1x Sound System, 1x RuView node, 2x door contact sensor (fridge + freezer compartment), 1x doorway camera Workshop: 1x Tiny PC (have), 1x large monitor/TV, 1x inspection camera, 1x Voice Reciever, 1x RuView node Wherever the second freezer is: 1x door contact sensor, 1x doorway camera

#Open items

  • Linus Room's "???" line is still undecided.
  • Bulb count/room split is a guess ("like 16") — not yet mapped to specific rooms or fixture counts per room.
  • Which room the second freezer is in, and therefore whether its doorway camera needs its own PoE/power run or can share the kitchen's. Also whether the kitchen fridge and its freezer compartment are one door or two — that decides whether the contact-sensor count is 2 or 3.
  • How many network cameras, and in which rooms. Priced at 3 as a placeholder. The workshop display can show any of them; which ones are worth watching is a decision nobody has made, and unlike the bulbs this one has a privacy dimension — a camera in a room is a camera in a room, the same caveat hosts/thin-client's README already spends a section on for gesture control.
  • Whether the workshop monitor needs to be new at all. It is the only display here with no touch requirement; almost any HDMI panel or old TV does the job.
  • Whether the kitchen's existing C920 can double as the kitchen fridge's doorway camera. It is already there and already on a host, so it is free if the display happens to face the fridge — and useless if it doesn't. Nobody has measured the angle; do that before buying a second camera for that room.

#Have 1xSound System (earmarked for Living Room) Near infinite Tiny Pcs near infinite ATX Pcs 1xHA Voice PE 1xZigbee adapter 1xLenovo all-in-one PC, large built-in touchscreen (Loggia's Miniscreen System — free, already have it)

##Need

Need = Summed totals minus Have. "Tiny Pcs"/"ATX Pcs" are covered (near-infinite supply on hand), so ThinClients and the LLM-host chassis are NOT listed below — only parts not already owned. Composite items ("Sound System", "Voice Reciever") are broken into their actual sub-components, since "1x Sound System" isn't a single SKU. Amazon links are real listings found via search (mostly amazon.com — search only returned US results; check amazon.de for local pricing/shipping/VAT before buying). No prices are invented below — where docs/project-plan.md already documents one it's reused as-is, otherwise it says "see link."

#GPU (LLM host) — need 1

  • Used RTX 3060 12GB (~€200–250, per docs/project-plan.md §1.2) — condition/model don't matter much, 12GB VRAM is the requirement (Q4 Qwen2.5-14B). New alternative: MSI GeForce RTX 3060 Ventus 2X 12G OC

#Beamer (Amirs Room) — need 1

  • TMY 1080P Mini Portable Projector, HDMI/USB (see link for price) — budget pick; if the ThinClient output needs to look good on a big wall, a brighter/native-1080p unit is worth paying more for than a mini LED projector like this one
  • HDMI cable, length depends on beamer placement vs. ThinClient — not sized yet
  • Ceiling/shelf mount — only if not just resting on furniture

#Voice Reciever - round screen thingy (Living Room, Loggia, Linus Room, Kitchen) — need 4 This is firmware/esp32-s3-touch-lcd-1.85c/ from this repo (Phase 14) — each unit is a kit of:

  • Waveshare ESP32-S3-Touch-LCD-1.85C, round touch display dev board (~€35–45 each per docs/project-plan.md §1.12) — must be the V2 revision, see firmware/esp32-s3-touch-lcd-1.85c/README.md; the listing needs checking for which hardware revision it actually ships, this repo's firmware assumes V2 (V1 has no AEC circuit and different audio pins)
  • USB-C power adapter, one per unit — 5V/3A USB-C wall adapter
  • USB-C cable, one per unit (often included with the board — check the listing before buying separately)

4x board + 4x power adapter (+ cable if not bundled).

#RuView Presence Node (Living Room, Loggia, Linus Room, Amirs Room, Kitchen) — need 5 This is firmware/ruview/ from this repo (Phase 2/§1.6) — anonymous room-level CSI presence, still an unbuilt placeholder in this repo (no firmware written yet), but the hardware spec is fixed regardless: a plain ESP32-S3 board, no camera, no extra peripherals — CSI presence reads WiFi channel state, not a camera. Separate boards from the Bermuda BLE-proxy ESP32s (§1.5) — one chip runs one firmware.

  • Espressif ESP32-S3-DevKitC-1-N8R2 (~€8–12 each per docs/project-plan.md §1.6) — the official board, minimal 8MB-flash/2MB-PSRAM variant; RuView's own firmware has no published minimum spec yet (nothing's been written), so this is picked for being the plain, cheap, official option rather than a specific requirement.

5x boards, one per room.

#Sound System (all 5 rooms confirmed: Living Room, Loggia, Linus Room, Amirs Room, Kitchen) — need 4 Have 1 already (earmarked for Living Room), need 5 total, all confirmed → need 4 more. Each unit is a kit of:

1x spool of wire total; 4x (amp + speaker pair).

#Kitchen — need 1 touchscreen + 1 camera hosts/kitchen-display/ (Phase 17) — the Tiny PC is covered by "Have", these two are not:

  • 10.3" portable USB-C touchscreen monitor (see link for price) — needs to expose itself as a native Wayland wl_touch device, not just an emulated-mouse HID surface (unverified either way — see hosts/kitchen-display/README.md)
  • Logitech HD Pro Webcam C920 (see link for price) — any UVC webcam works; picked for wide availability/driver support, not a specific requirement

#Spare webcams — need 2 Destination not decided yet — going to whichever future camera-equipped clients need one next (see docs/project-plan.md Phase 6/18: any camera-equipped endpoint can run the identity registration flow, not just kitchen-display/door-panel).

  • Logitech C270 HD Webcam, 720p (see link for price, typically the cheapest widely-stocked UVC webcam) — cheaper than the C920 above on purpose: these two are general-purpose spares, not tied to pantry-vision's food-photo use case that specifically wants the C920's autofocus, so there's no reason to pay for that here.

#Appliance door sensors — need ~3 One per cold-appliance door, feeding the Zigbee2MQTT mesh this project already runs (§1.3) — the same reasoning as the bulbs: one local mesh, not a manufacturer cloud. These are what trigger the doorway cameras below (pantry-vision's POST /doorway-event, see pantry-vision/README.md), and they are worth buying even if no camera is ever installed: on their own they already answer "which appliance was opened, when" and "has the freezer been standing open for four minutes", which prevents more spoilage per euro than any amount of item-locating.

  • Aqara Door and Window Sensor (Zigbee) (~€10–15 each) — plain reed-switch contact sensor, long-standing Zigbee2MQTT support, coin-cell powered.
  • Mount the sensor body on the OUTSIDE face of the door and the magnet on the outside of the frame (or vice versa). Not inside the compartment: a coin cell at −18 °C loses a large part of its usable capacity, and every door opening condenses humid room air onto whatever is in there. The reed switch does not care which side of the door it is on, so there is no reason to pay the cold penalty.
  • Battery life in this application is unverified — a fridge door that opens forty times a day is a much higher duty cycle than the window these are sold for. Budget for spare CR1632/CR2032s and check one after a month.

#Doorway cameras (appliances) — need ~2 Outward-facing, above the door on the hinge side, ~1.8–2 m, angled so the field of view is the door aperture and the ~40 cm in front of it. Never inside the appliance — docs/fridge-item-location.md has the full argument (no interior power, condensation on every opening, and −18 °C being outside every consumer camera module's rating, which rules out exactly the compartment the question came from).

  • TP-Link Tapo C120 (2K, RTSP/ONVIF) (~€30–40 each) — needs to expose a plain RTSP stream so Frigate can ingest it, the same way chores' watch points already work. Unverified: whether this specific model serves RTSP without go2rtc as a bridge — the same open question Phase 20 already carries for its own camera pick (project-plan open decision #23), and worth resolving once for both rather than twice.
  • One of the two spare webcams already on this list is a legitimate substitute for whichever appliance sits next to an existing host — a USB webcam needs a machine, and the kitchen has one; the second freezer's room probably doesn't.
  • Buy one first, not both. docs/fridge-item-location.md recommends running door sensors alone for a month before deciding whether item-level localisation is a thing the household actually wanted, and the test that decides whether the camera works at all — can a local vision model identify an item in a moving hand at doorway distance? — can be run today with the kitchen's existing webcam.

#Workshop display — need 1 screen + 1 macro camera The Tiny PC is covered by "Have". These two are not:

  • Large monitor or TV (32-43", 1080p is enough; 4K only if you want two schematics side by side). Any HDMI display works — this is the one screen in the project with no touch requirement, because the workshop interaction is voice and keyboard with dirty hands, not fingers on glass. Reuse anything you have before buying.
  • USB digital microscope / inspection camera, 1080p with adjustable stand (~€30-60) — not a webcam. The job is reading 2mm text on a service tag or a PCB silkscreen, so autofocus at 10-20cm and enough resolution to resolve small print matter far more than field of view. The C920's autofocus does not go near enough. This is the single most important pick for whether the OCR-first identification in docs/workshop-assistant.md works at all, and it is cheap enough to test the premise before committing to the rest.

#Network cameras — need 2-4 For the workshop display's camera view, and to give Frigate something to watch beyond the peephole cam. Must expose RTSP — that is the ingest path Frigate and go2rtc use, and it is the one thing worth checking on the listing before buying.

  • TP-Link Tapo C120 (2K, RTSP/ONVIF) (~€30-40 each) — same model already listed for the appliance doorways, deliberately: one camera model across the house means one set of quirks to learn, one stream configuration to get right, and spares that fit anywhere. Unverified: whether this model serves RTSP without go2rtc as a bridge (project-plan open decision #23).
  • Buy one first and get it into Frigate before ordering the rest. Every camera after the first is a repeat of a solved problem; the first one is where you find out whether the model was the right pick.

#mmWave presence radar — need 1 to start, then 1 per room you care about For exact positions inside a room on the 3D floorplan. BLE answers "which room"; this answers "where in it", and the two are fused in identity — see docs/endpoint-surfaces.md for the rule and for why it is deliberately timid.

  • HLK-LD2450 24GHz mmWave radar module (~€15–25 each) — tracks up to three moving targets and reports each one's x/y, which is the specific capability that makes this worth doing at all. Native ESPHome support (ld2450), so it rides the same firmware pipeline as the other ESP nodes and needs an ESP32 per sensor (the RuView boards in this list are a separate job — do not double up firmware on one chip).
  • It cannot tell you who. A radar sees a moving blob. Identity still comes from BLE, and with two people in one room neither blob gets a name — by design, because guessing is worse than not knowing.
  • Buy one, mount it, and check the rotation before buying more. Getting the facing wrong mirrors every position it reports, and the failure looks plausible rather than broken. One room proves the whole chain (sensor → ESPHome → HA → identity's fusion → the 3D plan) for ~€20.

#Fixed BLE tags — need ~4 to start For household members who don't (or shouldn't have to) carry a phone for presence to work — a grandmother without a smartphone is the concrete case, but this is also just generally the more reliable anchor docs/project-plan.md §1.5 already recommends over a phone's own randomizing MAC. identity/'s registration flow supports registering someone with no device at all (a manual home/away toggle instead), but a physical tag is the better long-term answer once it's worth the ~€5–8 — see identity/README.md's "no device" section.

  • The Smart Anti Lost Tracker iTag-Tiny (see link for price, typically €3–8) — a plain Bluetooth 4.0 beacon with a replaceable coin-cell battery, not locked into Apple Find My/Google Find Hub's proprietary rotating-identifier scheme (most "key finder" listings on Amazon are locked to one of those and won't work here) — this is the generic style the HA/ Bermuda community actually uses. Verify before buying more than one: cheap tags in this class often advertise a BLE static random address (technically "random" address-type, but stable for the tag's lifetime, unlike a phone's resolvable private address which deliberately rotates) — community reports say they "show as Random MAC but are stable," which is what actually matters for identity's TRUSTED_ENTITY_PREFIXES allowlist, not the address-type label itself. Confirm one tag's address is genuinely stable (watch it in HA's Bluetooth debug log over a few hours) before buying a batch. 4x to start (one for the concrete grandmother case plus a few spares/guests); buy more as more device-less household members come up.

#Lighting — need ~16 RGB smart bulbs (count TBD) Zigbee, not WiFi/cloud bulbs — the whole point of the Zigbee2MQTT backbone this project already runs (§1.3) is one local mesh instead of N different manufacturer clouds; a WiFi bulb (Tuya/WiZ/etc.) would be a second, cloud-dependent ecosystem bolted onto a stack that's explicitly local-first everywhere else. Mains-powered Zigbee bulbs also act as mesh routers, which matters here specifically: ~16 of them spread across every room does more for whole-house Zigbee coverage (for the battery sensors in §1.4) than the coordinator alone ever could.

Three real options were compared, not just the first search hit:

Option Router? Zigbee2MQTT support Price Verdict
innr RB 285 C (also 2-pack) Yes Confirmed — zigbee2mqtt.io device page ~€15–20/bulb (docs/project-plan.md §1.4) Picked — already this project's own documented choice, real listings on multiple Amazon EU sites, RGBW + tunable white 2200–6500K
IKEA TRÅDFRI color Yes Well-supported, huge install base ~€12–15/bulb (cheapest of the three) Not on Amazon in most regions (IKEA.com/stores only) — cheaper on paper but doesn't fit "find it on Amazon," and the color-capable SKU specifically (not the tunable-white-only ones) needs care to pick
Sengled Zigbee color (e.g. 2-pack) No — end device only Supported, but community reports of RGB/XY color quirks on some zigbee2mqtt versions Similar ballpark to innr Skipped — buying 16 non-router bulbs throws away the mesh-strengthening benefit that's the actual reason to prefer mains-powered bulbs here

Buying at this quantity: check amazon.de for a 4-pack or larger multi-pack of the RB 285 C (cheaper per-unit than 16x single-packs) before ordering singles.

4x-pack pricing wasn't found in search results — verify against the live listing.

#Open items carried over from above

  • Linus Room's "???" line is still a completely open slot — nothing to shop for until it's decided what it is.
  • Loggia's Lenovo all-in-one is already owned, so nothing to buy. hosts/touch-panel/ now handles either way its touch panel shows up to Linux (native wl_touch, or an emulated-mouse HID device via the type:pointer fallback + a udev override to fix it properly — see that host's README "Touch input: two tiers"), so this is no longer a go/no-go check, just worth running once to know which tier it landed in and whether the override needs filling in for full multi-touch.
  • Bulb count/room split — priced below at ~16, but that's a placeholder pending an actual per-room fixture count.

##Price estimate

Rough figures in EUR, for the #Need list above. Estimates, not live-checked prices — the four docs/project-plan.md-sourced ones (GPU, ESP32 board, amp, speakers) are reused from that doc as-is; everything else is a typical-market-price guess for that exact product category, not pulled from the live Amazon listing (the search used to find these links doesn't return price data — click through and check before budgeting against this). All EUR figures assume roughly 1:1 with the USD prices these products actually list at; check amazon.de directly for real local pricing/VAT/shipping.

Item Qty Est. unit price Est. subtotal
Used RTX 3060 12GB 1 €200–250 €200–250
TMY 1080P mini projector 1 €40–65 €40–65
HDMI cable 1 €6–10 €6–10
Ceiling/shelf mount (optional) 1 €15–25 €15–25
Waveshare ESP32-S3-Touch-LCD-1.85C board 5 €35–45 €175–225
USB-C 5V/3A wall adapter 5 €7–12 €35–60
Fosi Audio V3 amp 4 €130 €520
Micca MB42X G2 speakers, pair 4 €100 €400
16AWG speaker wire, 100ft spool (one-time) 1 €15–22 €15–22
10.3" portable USB-C touchscreen monitor 1 €85–130 €85–130
Logitech HD Pro Webcam C920 1 €55–75 €55–75
Logitech C270 spare webcam 2 €25–35 €50–70
innr RB 285 C Zigbee RGB bulb ~16 (TBD) €15–20 €240–320
iTag-Tiny fixed BLE tag 4 €3–8 €12–32
Espressif ESP32-S3-DevKitC-1-N8R2 (RuView) 6 €8–12 €48–72
HLK-LD2450 mmWave radar (buy 1 first — see that section) ~3 €15–25 €45–75
Aqara Zigbee door contact sensor (appliance doors) ~3 €10–15 €30–45
Tapo C120 doorway camera (buy 1 first — see that section) ~2 €30–40 €60–80
Tapo C120 network camera (rooms/workshop view) ~3 €30–40 €90–120
Workshop monitor/TV (reuse one first if you have it) 1 €120–250 €120–250
USB inspection/macro camera (workshop) 1 €30–60 €30–60

Subtotal (excludes the optional beamer mount): ~€2,289–2,921 Subtotal, including the optional beamer mount: ~€2,304–2,946

The workshop line items are the ones to sequence rather than buy at once: the macro camera is cheap and decides whether the OCR-first identification works at all, the monitor can be anything you already own, and the network cameras are one-then-more.

The two appliance-monitoring lines are the only ones on this list bought in a deliberate order rather than all at once: the door sensors are worth having on their own merits, the cameras are not worth having until the sensors have proved the question is real. Buying one camera instead of two costs €30–40 to find out.

All 5 Sound Systems (Living Room, Loggia, Linus Room, Amirs Room, Kitchen) are confirmed — see #Open items above — so all 4 needed amp+speaker kits are in the main table above. The bulb line is the least certain figure in this whole table — 16 is a round-number placeholder, not a counted fixture list, so treat that €240–320 as the roughest estimate here. Linus Room's still-blank "???" line isn't priced at all — there's nothing to estimate until it's decided what it is.